Cleaning system for offset sheet-fed printing presses

Details Cleaning system for offset sheet-fed printing presses Cleaning system for offset sheet-fed printing presses

1989-10-19

1991-02-12

Burr, Edgar S.

Printing

Cleaning attachments

101423, B41F 3500

Patent

active

049915070

ABSTRACT:
A cleaning system for offset sheet-fed printing presses according to the present invention comprises a magazine roll for reeling-out cleaning cloth to perform the cleaning of the impression cylinder, a take-up roll to take-up this cleaning cloth, a blade provided between the magazine roll and the take-up roll and in contact with the impression cylinder from behind the rear side of the cleaning cloth, and a guide member to bring the cleaning cloth pressed by the blade, into contact around the arcuate circumferential surface of the impression cylinder and in contact along the axial length of the impression cylinder. This cleaning system for offset sheet-fed printing presses additionally comprises a pressing member provided between the blade and the guide portion so as to press the arc-shaped contact portion of the cleaning cloth against the impression cylinder and preferably comprises a blade being provided so as to be freely capable of advancing and retreating with respect to the cleaning cloth. Each of the parts configuring the abovementioned cleaning system are housed in a frame which is freely movable on rails provided parallel to the impression cylinder.

REFERENCES:
patent: 4638733 (1987-01-01), Schneider et al.
patent: 4922821 (1990-05-01), Nozaka et al.

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